115 lines
3.5 KiB
Dart
115 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:worldhopper/providers/precache_pages_provider.dart';
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import 'package:worldhopper/widgets/worldhopper_app_bar.dart';
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/// Screen for selecting image reader pre-cache pages count
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class PrecachePagesSettingsScreen extends ConsumerWidget {
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const PrecachePagesSettingsScreen({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final precachePages = ref.watch(precachePagesNotifierProvider);
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return Scaffold(
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appBar: const WorldhopperAppBar(
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title: Text('Pre-cache Pages'),
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),
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body: ListView(
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children: [
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const SizedBox(height: 8),
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Card(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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child: RadioGroup<int>(
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groupValue: precachePages,
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onChanged: (value) {
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if (value != null) {
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ref
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.read(precachePagesNotifierProvider.notifier)
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.setPrecachePages(value);
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}
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},
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child: Column(
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children: [
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for (final entry in _precachePagesOptions.entries) ...[
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if (entry.key != _precachePagesOptions.keys.first)
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const Divider(height: 1),
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ListTile(
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leading: Icon(entry.value.icon),
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title: Text(entry.value.label),
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subtitle: Text(entry.value.description),
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trailing: Radio<int>(
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value: entry.key,
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),
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onTap: () {
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ref
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.read(precachePagesNotifierProvider.notifier)
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.setPrecachePages(entry.key);
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},
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),
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],
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],
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),
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),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(32, 16, 32, 16),
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child: Text(
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'Controls how many upcoming pages are pre-loaded in the background '
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'while reading. Higher values make swiping feel more seamless but '
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'use more bandwidth and memory.',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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),
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],
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),
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);
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}
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}
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class _PrecachePagesOption {
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final String label;
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final String description;
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final IconData icon;
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const _PrecachePagesOption({
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required this.label,
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required this.description,
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required this.icon,
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});
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}
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const _precachePagesOptions = <int, _PrecachePagesOption>{
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0: _PrecachePagesOption(
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label: 'Off',
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description: 'Pages load on demand',
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icon: Icons.block,
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),
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1: _PrecachePagesOption(
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label: '1 page',
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description: 'Minimal pre-loading',
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icon: Icons.looks_one,
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),
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2: _PrecachePagesOption(
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label: '2 pages',
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description: 'Light pre-loading',
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icon: Icons.looks_two,
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),
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3: _PrecachePagesOption(
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label: '3 pages',
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description: 'Balanced, recommended',
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icon: Icons.looks_3,
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),
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4: _PrecachePagesOption(
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label: '4 pages',
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description: 'Aggressive pre-loading',
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icon: Icons.looks_4,
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),
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5: _PrecachePagesOption(
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label: '5 pages',
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description: 'Maximum pre-loading, uses more bandwidth',
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icon: Icons.looks_5,
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),
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};
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